Yes. When we burn fossil fuel,the carbon dioxide will go up to the atmosphere. That will cause unwanted heat to be trapped. Thus,it will warm up the Earth. Slowly the polar ice caps will melt and flood the whole world.
What we can we do to save the Earth?
We can reuse,reduce and recycle. Firstly,we can use reusable grocery bags so we do not need to take plastic bags when at the supermarket. Second,we can reduce by using energy saving bulbs. Third,we can recycle our unwanted items such as plastic bottles and paper.